/**
 * Copyright (c) Meta Platforms, Inc. and affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 *
 * @format
 */

import {getFlipperLib} from 'flipper-plugin';

const cmd = 'klist --json';
const endWith = '@THEFACEBOOK.COM';

export async function isFBEmployee(): Promise<boolean> {
  return getFlipperLib()
    .remoteServerContext.childProcess.exec(cmd)
    .then(
      (stdobj: {stderr: string; stdout: string}) => {
        const principal = String(JSON.parse(stdobj.stdout).principal);

        return principal.endsWith(endWith);
      },
      (_err: Error) => {
        return false;
      },
    );
}